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The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 3 Comparison between results of NP tests in patients of group I as regards severity of headache

From: Neurophysiologic tests screening cognitive impairment in idiopathic intracranial hypertension patients

Severity of headache

 

Mean ± SD

P value

Mild to moderate

(No. = 14)

Severe

(No. = 6)

P300

 Amplitude/mv

12.2 ± 6.3

6.9 ± 3.6

*0.044

 Latency/ms

377.8 ± 14.5

378.2 ± 12

0.964

Late CNV

 Amplitude(CZ)/mv

7.4 ± 5.4

6.8 ± 4.2

0.964

 Latency/ms

2022 ± 347.7

2357.9 ± 60.9

*0.007

  1. P value ≥ 0.05 (nonsignificant)
  2. *P value < 0.05 (significant)
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